CMA Dishmachines Dishwasher MODEL GL C User Manual

MODEL GL-C  
INSTALLATION & OPERATION  
Rev. 1.00A  
C M A D I S H M A C H I N E S  
1 2 7 0 0 K N O T T A V E N U E  
GARDEN GROVE, CALIFORNIA 92841  
8 0 0 - 8 5 4 - 6 4 1 7  
FAX 714-895-2141  
 
Receiving  
1. Receiving  
1. Remove the packing material from the top of the conveyor stack.  
2. Remove all packing material and tape securing components within the machine. Check  
that both trays are positioned properly.  
3. Check for the following component parts:  
A. Check that the deflector screen is secure in the rinse drain.  
B. Check the position of the GL-C curtain.  
C. Check that the conveyor is level and the drive gear is engaged in the conveyor’s outer  
rim grooves.  
D. Check that overflow drain tube is in position in detergent tank.  
E. Check that the detergent tank screen in the detergent tank is in position.  
F. Check that the drain screen is in position.  
4. Important: Read and follow up instructions completely.  
MODEL GL-C Installation & Operation Manual Rev. 1.00A –2/23/06  
Page 2  
 
 
Specifications  
2. Specifications  
WATER CONSUMPTION  
HOT WATER INITIAL FILL  
HOT WATER PER HOUR (max)  
COLD WATER PER HOUR  
OPERATING CAPACITY  
(2-1/2”) GLASSES PER HOUR  
WATER REQUIREMENTS  
COLD WATER INLET  
HOT WATER INLET  
3 GAL.  
12 GAL.  
168 GAL.  
11.35 L.  
45.42 L.  
636 L.  
1000  
-
1/2”  
1/2”  
-
-
-
DRAIN CONNECTION  
TEMPERATURES  
1-1/2”  
INLET COLD WATER  
INLET HOT WATER (recommended)  
FRAME DIMENSIONS  
DEPTH  
75 °F  
140°F  
24°C  
60°C  
25-1/8”  
25-1/4”  
39”-40”  
10”  
63.8CM  
64CM  
WIDTH  
HEIGHT  
99.1-101.6CM  
25.4CM  
MAX CLEARANCE FOR GLASSES  
ELECTRICAL  
240 VAC  
15 AMPS  
3KW  
TANK HEATER  
(Not Booster Heater)  
WASH PUMP MOTOR  
SHIPPING WEIGHT  
GL-C (Approximate)  
.1HP  
156#  
71 kg  
MODEL GL-C Installation & Operation Manual Rev. 1.00 –2/23/06  
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Instructions  
3. Installation  
3.1.  
Electrical*  
A 15 Amp, 240 Volt, 60 Hz dedicated circuit should be used to supply electrical power to the GL-C machine (see  
specification sheet page 2). The power connection with the leads L-1,L-2 and Ground must be such that there is  
sufficient length of flexible conduit to permit the machine to be moved for cleaning. This machine operates from 208 to  
240 Volts.  
3.2.  
Plumbing*  
Hot Water Connection  
1. Connect a minimum 1/2” water line to the hot water solenoid valve. Supply temperature must be minimum  
140°F/60°C,with flow pressure between 25-95 PSI.  
2. Hot water consumption is approximately 12 U.S. gph.  
Cold Water Connection  
1. Connect a minimum 1/2” water line to the cold water solenoid valve. Flow pressure must be between 25-95  
PSI.  
2. Open ball valve located between hot and cold solenoid valves until temperature reaches 75°F for areas with  
very cold rinse water to heat the rinse water which will prevent glasses from cracking.  
3. Cold water consumption is approximately 2.8 U.S. gpm.  
Drain Connection  
1. Connect a 1-1/2” drain line where indicated.  
2. PVC pipe is generally recommended, as copper is prone to attack by the sanitizing chemicals.  
*Electrical and plumbing connections must be made by a qualified  
person who will comply with all available Federal, State, and Local  
Health, Electrical, Plumbing and Safety codes.  
MODEL GL-C Installation & Operation Manual Rev. 1.00A –2/23/06  
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Flow Diagram  
4. GLC Flow Diagram  
MODEL GL-C Installation & Operation Manual Rev. 1.00 –2/23/06  
Page 5  
 
 
Operation  
5. Operation  
5.1.  
Filling the Wash Tank  
Ensure that the overflow drain tube is in place in the detergent tank.  
Flip power on-off/flush switch to the “ON” position. The water will fill until the proper level is  
reached then turn the heating element “ON”.  
The water temperature is controlled by a heater and a thermostat .The thermostat should be set  
for minimum 140°F/60°C.  
5.2.  
Operating Instructions  
Open the door; flip power on-off/flush switch to the “ON” position. Wash tank will automatically fill.  
Ensure there is product in the detergent, sanitizer and rinse agent containers.  
Detergent is fed from the supply container into the detergent tank in controlled amounts by the  
detergent pump. Use detergent at strength recommended by your chemical supplier.  
Load glasses on the conveyor. Start machine with GL-C rocker switch located on front right side of  
unit. Machine now will stop and start with conveyor shut-off rod.  
3.2.1.  
Proper Chemical Dosage  
The amount of chemical delivered, whether it is detergent, sanitizer or rinse aid, can be obtained by counting  
the revolutions of the injector rotors.  
For detergent, contact your chemical supplier for proper type and detergent concentration.  
Note: Detergent pump only operates when hot water tank is filling.  
For sanitizer, one revolution in 5 seconds equals approximately 12.5ppm Iodine or 50ppm  
chlorine.  
For rinse agent, one revolution in 8 seconds is recommended.  
To Adjust Detergent Injector:  
When a new detergent container is installed, push the prime button in and hold until the detergent feed tube is  
full.  
Install the overflow drain tube and switch power on-off/flush switch to the “ON” position. The detergent feeder  
will now feed detergent into the detergent tank with water fill.  
To increase detergent volume, turn the detergent adjustment screw clockwise.  
To decrease the detergent volume, turn the detergent adjustment screw counter-clockwise.  
To Adjust Sanitizer Injector:  
When a new sanitizer container is installed, push the prime button in and hold until sanitizer feed tube is full.  
Start the washer with rocker switch located on the front of the machine. Take a sample from the final rinse  
spray tube to check sanitizer level.  
To increase the volume of sanitizer, turn the adjustment screw clockwise.  
To decrease the volume of sanitizer, turn the adjustment screw counter-clockwise.  
To turn rinse agent injector “OFF” in this case, turn the adjustment screw counter-clockwise until the pump  
stops turning.  
Note: If a sodium Hypochlorite (Chlorine) based sanitizer at a minimum concentration of 50ppm in the final  
rinse is used, use chlorine test papers to verify and monitor the 50ppm chlorine level  
MODEL GL-C Installation & Operation Manual Rev. 1.00 –2/23/06  
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Operation  
To Adjust Rinse Agent Injector:  
When a new rinse agent container is installed, push the prime button in and hold until the rinse  
injector feed tube is full.  
Start the washer. Take a sample from the final rinse spray tubes.  
To increase the volume of rinse agent, turn the adjustment screw clockwise.  
To decrease the volume of rinse agent, turn the adjustment screw counter-clockwise.  
Note:To meet the requirements of N.S.F. standards, Iodophor in a concentration of 12.5ppm  
or chlorine at 50ppm must be used in the final rinse.  
5.3.  
Cleaning Instructions  
3.3.1. Daily Cleaning Instructions  
Remove optional GL-C drain tray & waste collection, from the front of your glasswasher and clean.  
Turn glasswasher off by flipping the power on-off/flush switch to the “OFF” position.  
Remove right and left trays and GL-C curtain. Wash them with hot soapy water, rinse thoroughly, and  
then dry.  
Remove the conveyor as follows: Remove conveyor hub, flip conveyor shut-off rod to the side, lift  
conveyor from the center and pull out.  
Remove lower wash and rinse arms. Clean wash and rinse areas with hot soapy water. Rinse  
thoroughly, and then dry.  
Note: Do not twist spray arms, pull straight out or they will break.  
Replace lower wash and rinse arms (they only fit one way). Replace conveyor as follows: With back  
end of conveyor raised, mesh drive gear with side of conveyor, pull conveyor towards you until center  
of conveyor drops onto pivot. Replace conveyor hub in center of conveyor, flip shut-off bar back to  
normal position. Replace left tray ensuring shut-off arm rests within the retainer, then replace right  
tray. Replace curtain.  
Remove and clean upper and lower wash tank screens.  
Remove overflow drain tube from the detergent tank, wash down the interior of the detergent tank.  
Replace overflow drain tube and upper and lower wash tank screens.  
Note: Do not leave water in tank overnight!!!  
Replace optional GL-C drain tray & waste collection making sure hose is connected.  
Ensure there is product in the detergent, sanitizer and rinse agent containers. Close the door.  
3.3.2. Weekly Cleaning Instructions  
Remove upper and lower wash and rinse arms from the manifold and clean spray tubes with Cleaning  
Drill p/n 00899.01, Cleaning Brush p/n 00899.02 provided.  
Remove detergent, sanitizer, and rinse agent feed lines from containers and place them in a  
container of hot water. Hold prime buttons in until the feed lines have been thoroughly flushed.  
Replace the feed lines to their proper container and prime product through lines.  
MODEL GL-C Installation & Operation Manual Rev. 1.00A –2/23/06  
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Maintenance  
6. Maintenance  
6.1.  
Troubleshooting  
PROBLEM  
LIKELY CAUSE  
SOLUTION  
Conveyor doesn’t turn  
Power off at circuit breaker  
Drive motor burn out  
Reset circuit breaker  
Replace drive motor  
Remove obstruction  
Replace or adjust  
Obstruction in wash or rinse  
Micro switch on switch support  
bracket faulty or not making  
contact  
Position properly  
Install or adjust  
Conveyor not in position  
Excessive overspray from  
hood section  
Splash curtain not in position  
Washer running without any  
glasses on conveyor  
Keep conveyor loaded with  
glasses  
Ensure spray tube is pushed  
firmly on to hub connection  
Spray tubes fallen off hub  
Spray tubes plugged  
Clear and clean with reamer,  
scraper, and brush  
Ensure water supply is on  
Ensure detergent tank stand  
pipe is in position  
Lack of pressure in wash  
spray tubes  
No water in detergent tank  
Ensure the tank fill switch is in  
On-Fill position and that tank  
fills with water  
Ensure the float switch is  
activated by the float cam  
Ensure the tank fill solenoid is  
operational  
Clear obstruction  
Obstruction in wash arm  
Pump not operating  
Check power supply to  
machine  
Check pump capacitor  
Replace pump if required  
Pump operating but no pressure  
Rinse spray tubes dirty  
Check condition of impeller  
and stub shaft  
Replace if needed  
Lack of pressure in rinse  
spray tube  
Clean thoroughly with reamer,  
scraper, and brush provided  
Shut-off valve on supply line  
closed  
Open valve  
Low water pressure  
Minimum 25PSI flow pressure  
required  
MODEL GL-C Installation & Operation Manual Rev. 1.00 –2/23/06  
Page 8  
 
 
Maintenance  
PROBLEM  
LIKELY CAUSE  
SOLUTION  
Lack of pressure in rinse  
spray tube  
Rinse solenoid valve will not  
operate  
Check coil  
Check and install rebuild kit  
Replace if necessary  
Rinse solenoid valve strainer  
plugged  
Remove screen and clean  
Water continues to flow to  
detergent tank or spray  
tubes with machine off  
Solenoid valve not sealing  
Clean seat  
Install diaphragm kit  
Replace valve  
Adjust thermostat  
Water temperature low in  
detergent tank  
Thermostat setting low  
Thermostat defective  
Replace  
Replace  
Defective float switch  
Heater burnt out  
Check and replace  
Ensure water level is above  
element  
Hot water supply  
min.140°F/60°C  
Incoming water temp. low  
Pump seal leaking  
Water on floor around  
machine  
Replace  
Rinse drain in wash area plugged Clear obstruction, clean  
machine  
Wash return screen in detergent  
tank plugged  
Clean  
Clean  
Clean  
Drain screen under detergent  
tank plugged  
Main drain plugged  
Detergent tank covers are not  
positioned properly causing  
condensation  
Position all top covers to  
completely cover top of tank  
Fill chute has lime build-up  
Dirty rinse tubes  
De-scale detergent tank  
Clean  
Chemical containers filling  
with water  
Worn flow washer in solenoid  
valve  
Replace  
Chemicals not feeding  
No product in containers  
Refill containers  
Product gelling or crystallizing in  
chemical line  
Flush all lines with hot water  
and use fresh supply of  
chemical  
Chemical supply strainer plugged  
Speed adjustment set too low  
Clean with hot water  
Increase by turning clockwise  
while machine is running/filling  
No power to pump  
Check LED signal  
Pump motor defective  
Replace pump motor  
MODEL GL-C Installation & Operation Manual Rev. 1.00 –2/23/06  
Page 9  
 
Electrical Diagram  
7. Electrical Diagram  
2
3
1
6
R E M I R P  
E S N I R  
R E M I R P  
I N A S  
R E M I R P  
T N E G R E T E D  
MODEL GL-C Installation & Operation Manual Rev. 1.00A –2/23/06  
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